diff --git a/armengol-lorand.md b/armengol-lorand.md
index 45b816b3f..9f1c4e56a 100644
--- a/armengol-lorand.md
+++ b/armengol-lorand.md
@@ -3,7 +3,8 @@
 ## [[2021-02-14]]
 - [[christopher alexander]]
   - [[reading alexander]]
-
+    - [[ttwob]] is [[ideological]] / [[philosophical]]
+    - [[apl]] is an [[implementation]]
 
 [//begin]: # "Autogenerated link references for markdown compatibility"
 [2021-02-14]: journal/2021-02-14 "2021-02-14"